These entries are queried from radb.net using whois, you can try my project getting these.
:AS31286 route: 83.151.0.0/20 descr: "MTS" OJSC descr: Kazan, Tatarstan, Russia origin: AS31286 mnt-by: TVT-NOC-MNT notify: noc [at] tbt.ru created: 2004-04-06T13:00:16Z last-modified: 2014-11-11T13:39:21Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 83.151.0.0/21 descr: "MTS" OJSC descr: Kazan, Tatarstan, Russia origin: AS31286 mnt-by: TVT-NOC-MNT notify: noc [at] tbt.ru created: 2008-12-25T19:36:27Z last-modified: 2014-11-11T13:42:32Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 83.151.8.0/21 descr: "MTS" OJSC descr: Kazan, Tatarstan, Russia origin: AS31286 mnt-by: TVT-NOC-MNT created: 2012-10-16T16:24:43Z last-modified: 2014-11-11T13:46:19Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 89.251.144.0/20 descr: "MTS" OJSC descr: Tatarstan, Russia origin: AS31286 mnt-by: TVT-NOC-MNT notify: noc [at] tbt.ru created: 2008-12-26T19:53:59Z last-modified: 2014-11-12T08:43:10Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 176.52.0.0/17 descr: "MTS" OJSC descr: Kazan, Tatarstan, Russia origin: AS31286 mnt-by: TVT-NOC-MNT created: 2011-06-09T13:05:38Z last-modified: 2014-11-12T07:50:59Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 176.52.0.0/18 descr: "MTS" OJSC descr: Kazan, Tatarstan, Russia origin: AS31286 mnt-by: TVT-NOC-MNT created: 2013-10-16T19:05:34Z last-modified: 2014-11-12T07:54:07Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 176.52.64.0/18 descr: "MTS" OJSC descr: Kazan, Tatarstan, Russia origin: AS31286 mnt-by: TVT-NOC-MNT created: 2013-10-16T19:06:18Z last-modified: 2014-11-12T08:01:45Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 217.66.16.0/20 descr: "MTS" OJSC descr: Tatarstan, Russia origin: AS31286 mnt-by: TVT-NOC-MNT notify: noc [at] tbt.ru created: 2008-12-26T19:49:54Z last-modified: 2014-11-11T13:01:12Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source